======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '287'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'Blue Lines'
                                           'title'  'One Love'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'trip hop', 'dub', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '138'
                                             'key'  '1A'
                                        'acoustid'  '55014d66-f212-4e03-a8fd-f48b5f6f9d2f'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Blue Lines'
'TBPM' (BPM (beats per minute))                     '138'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'One Love'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TPE2' (Band/orchestra/accompaniment)               'Massive Attack'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records/Wild Bunch Records'
'TRCK' (Track number/Position in set)               '2/9'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA1200645'
'TXXX:Acoustid Id'                                  '55014d66-f212-4e03-a8fd-f48b5f6f9d2f'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:BARCODE'                                      '602547714251'
'TXXX:CATALOGNUMBER'                                '4771425'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '9735dd74-e9f1-4575-afc1-857f2217a9fa'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 '8b6f133a-2fdf-3cc2-b84d-1c889adc0939'
'TXXX:MusicBrainz Release Track Id'                 '4b3cd569-f65d-40dc-8f7c-8df93a71c93e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'trip hop', 'dub', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '1991'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.05 dB'
'TXXX:replaygain_track_peak'                        '0.868316'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ac22c324-e0ed-454b-ada5-fe7acfe9bfdf')
'USLT::XXX'                                         ('its you i love\r\n'
 'and not another\r\n'
 'and i know our love\r\n'
 'will last forever\r\n'
 'you i love\r\n'
 'and not another\r\n'
 "and i know we'll always\r\n"
 'be together\r\n'
 '\r\n'
 'some men hav a one love\r\n'
 '2 and 3 love\r\n'
 '4 and 5\r\n'
 'and 6 love\r\n'
 'but i believe in one love\r\n'
 'i believe in one love\r\n'
 '\r\n'
 'some men dont feel secure\r\n'
 'unless they have a woman on each arm\r\n'
 'they have to play the field\r\n'
 'prove they have charm\r\n'
 'they say dont lay your eggs\r\n'
 'in one basket\r\n'
 'if the basket should fall\r\n'
 'all the eggs will be broken\r\n'
 '\r\n'
 'but i believe in one love\r\n'
 'i believe in one love\r\n'
 'oh girl, i believe in one love\r\n'
 'and i believe in one love\r\n'
 'i believe in one love\r\n'
 'oh girl\r\n'
 '\r\n'
 "its not everyday you'll find the woman of your dreams\r\n"
 "we'll always be there no matter how bad things seem\r\n"
 'ever so faithful, ever so sure,\r\n'
 'no man could ever ask for more\r\n'
 '\r\n'
 'i believe in one love\r\n'
 'i believe in one love\r\n'
 'oh girl, i believe in one love\r\n'
 'i believe in one love\r\n'
 'i believe\r\n'
 'yeah\r\n'
 'oh yeah\r\n'
 'yeah\r\n'
 'in one love\r\n'
 'in one love\r\n'
 'in one love\r\n'
 'in one love\r\n'
 'i believe\r\n'
 'i believe\r\n'
 'i believe\r\n'
 'in one love\r\n'
 'i believe\r\n'
 'in one love\r\n'
 'in one love\r\n'
 'i believe\r\n'
 'in one love\r\n'
 'in one love')

========================== row from database ==========================
                                              'id'  1456132
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/Blue Lines/Massive Attack - One Love - 02.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  287
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4704136
                                           'mtime'  1636910731
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 02 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  Blue Lines
                                       'tag_title'  One Love
                                             'bpm'  138.0
                                    'search_title'  'love':2 'one':1
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  'blue':1 'lines':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':8 'downtempo':7 'electronic':3 'hop':5 'jazz':9 'or':6 'trip':4
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 'acid':14 'attack':4B 'blue':5C 'downtempo':13 'electronic':9 'hop':11 'jazz':15 'lines':6C 'love':2A 'massive':3B 'one':1A 'or':12 'trip':10
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'trip hop', 'dub', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910730.9779897  (2021-11-14 18:25:30)
                             'size'  4704136